<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
 <meta name="viewport" content="width=device-width, initi
al-scale=1.0">
 <title>验证函数调⽤时this指向</title>
</head>
<body>
 <script>
 function foo() {
 console.log("foo函数:", this);
}
//foo();
var obj = { name: "gkd" };
obj.showThis = foo;
// 通过对象调⽤
obj.showThis()
 </script>
</body>
</html>
